1901-2000 Inches 1 1.26 1.80 -0.54 37 92 1993 1919 1940 1941 bottom-third 2 1.27 2.09 -0.82 24 105 1993 1919 1939 1941 bottom-third 1978 3 1.28 2.43 -1.15 10 119 1963,2020 1919 1939 1941 bottom-tenth 2000 4 2.40 3.00 -0.60 38 91 1993 1919 1939 1941 bottom-third 5 2.86 4.12 -1.26 29 100 2002 1912 1940 1941 bottom-third 6 3.84 5.26 -1.42 30 99 2002 1905 1939 1941 bottom-third 1933 7 4.38 6.41 -2.03 23 106 2002 1905 1934 1941 bottom-third 8 6.26 7.59 -1.33 45 83 2002 1905 1940 1941 normal 9 7.19 8.44 -1.25 51 77 2002 1941 1940 1941 normal 10 8.80 9.31 -0.51 68 60 2002 1941 1940 1941 normal 11 10.67 10.51 0.16 76 52 2002 1941 1940 1941 normal 12 12.81 12.59 0.22 76 52 2002 1941 1940 1941 normal 18 22.43 17.86 4.57 116 12 1900 1993 1940 1941 top-tenth 24 34.91 25.18 9.73 124 3 1900 1906 1941 1906 top-tenth 36 46.93 37.73 9.20 120 6 1904 1907 1941 1917 top-tenth 48 56.40 50.23 6.17 107 18 1902 1908 1941 1918 top-third 60 67.71 62.77 4.94 94 30 1904 1909 1940 1941 top-third